<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>go</title>
</head>
<body>
<h1>go</h1>
<button>fd</button>
<form action="/hello" method="post">
    <button type="submit">fdf</button>

</form>
<h2 th:text="${msg}"></h2>
<img src="/images/404.png" />
</body>
</html>